Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 1117
7.
PCM
NOTE: Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal
push out. Repair as necessary.
Using the schematics as a guide, inspect the wire harness and connectors. Pay particular attention to all Power and
Ground circuits.
Were there any problems found?
Yes
>> Repair as necessary.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)
No
>> Replace and program the Powertrain Control Module per Service Information.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)
9 - 492
ENGINE ELECTRICAL DIAGNOSTICS
LX
P0501-VEHICLE SPEED SENSOR 1 PERFORMANCE (Not Equipped with ABS)
For a complete wiring diagram Refer to Section 8W.
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ENGINE ELECTRICAL DIAGNOSTICS
9 - 493
•
When Monitored:
With the engine running, transmission not in park or neutral, brakes not applied, and engine rpm greater than
1500.
•
Set Condition:
This code will set if no vehicle speed signal is received from the TCM Module for more than 11 seconds for 2
consecutive trips. Two Trip Fault. Three good trips to turn off the MIL.
Possible Causes
ACTIVE BUS OR COMMUNICATION DTCS
TIRE CIRCUMFERENCE
PCM
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE -
DIAGNOSIS AND TESTING).
Diagnostic Test
1.
ACTIVE DTC
NOTE: The following items must be check before continuing.
•
Pinion Factor and Tire Size MUST be programmed in the Front Control Module.
•
All Bus Communication DTCs MUST be diagnosed.
•
All Vehicle Speed DTCs that may be active in the Front Control Module or in the Transmission Control
Module MUST be diagnosed.
Ignition on, engine not running.
With a scan tool, read DTCs.
Is the DTC active at this time?
Yes
>> Go To 2
No
>> Refer to the INTERMITTENT CONDITION Diagnostic Procedure.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)
2.
VISUAL INSPECTION
NOTE: This code can set due following conditions.
•
Unequal tire circumference between the tires on the vehicle.
•
Front or Rear wheels moving while the opposite wheels are not. (i.e., wheels slipping on loose gravel, ice
or hard acceleration)
Check tire pressure of all the tires.
Check tire wear on all the tires.
Ask the customer what the road and driving conditions were like when the fault set.
Were any of the above conditions found?
Yes
>> Repair as necessary. If the code set during a front OR rear wheel spin condition, no repair is necessary.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)
No
>> Go To 3
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ENGINE ELECTRICAL DIAGNOSTICS
LX
3.
PCM
NOTE: Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal
push out. Repair as necessary. Using the schematics as a guide, inspect the wire harness and connectors.
Pay particular attention to all Power and Ground circuits.
Were there any problems found?
Yes
>> Repair as necessary.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)
No
>> Replace and program the Powertrain Control Module per Service Information.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)
LX
ENGINE ELECTRICAL DIAGNOSTICS
9 - 495
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